[INFO] fetching crate walletconnect 0.2.0... [INFO] building walletconnect-0.2.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2 [INFO] extracting crate walletconnect 0.2.0 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate walletconnect 0.2.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate walletconnect 0.2.0 [INFO] tweaked toml for crates.io crate walletconnect 0.2.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate walletconnect 0.2.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate walletconnect 0.2.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 64372f5a6f6715154034b33e7a0a117fbaf0d3a7b3afc39ac682d4f339ee45b7 [INFO] running `Command { std: "docker" "start" "-a" "64372f5a6f6715154034b33e7a0a117fbaf0d3a7b3afc39ac682d4f339ee45b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "64372f5a6f6715154034b33e7a0a117fbaf0d3a7b3afc39ac682d4f339ee45b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "64372f5a6f6715154034b33e7a0a117fbaf0d3a7b3afc39ac682d4f339ee45b7", kill_on_drop: false }` [INFO] [stdout] 64372f5a6f6715154034b33e7a0a117fbaf0d3a7b3afc39ac682d4f339ee45b7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7aa87f7ccc80c717c30386efc53f00218772e18c6fa69ab0c489cf8e887b39ab [INFO] running `Command { std: "docker" "start" "-a" "7aa87f7ccc80c717c30386efc53f00218772e18c6fa69ab0c489cf8e887b39ab", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.137 [INFO] [stderr] Compiling proc-macro2 v1.0.47 [INFO] [stderr] Compiling unicode-ident v1.0.5 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling syn v1.0.105 [INFO] [stderr] Compiling serde_derive v1.0.148 [INFO] [stderr] Compiling typenum v1.15.0 [INFO] [stderr] Compiling serde v1.0.148 [INFO] [stderr] Compiling generic-array v0.14.6 [INFO] [stderr] Compiling ppv-lite86 v0.2.17 [INFO] [stderr] Compiling subtle v2.4.1 [INFO] [stderr] Compiling once_cell v1.16.0 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling thiserror v1.0.37 [INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/src/lib.rs:92:30 [INFO] [stdout] | [INFO] [stdout] 92 | feature(proc_macro_span, proc_macro_span_shrink) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling slab v0.4.7 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stdout] For more information about this error, try `rustc --explain E0635`. [INFO] [stdout] [INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "7aa87f7ccc80c717c30386efc53f00218772e18c6fa69ab0c489cf8e887b39ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7aa87f7ccc80c717c30386efc53f00218772e18c6fa69ab0c489cf8e887b39ab", kill_on_drop: false }` [INFO] [stdout] 7aa87f7ccc80c717c30386efc53f00218772e18c6fa69ab0c489cf8e887b39ab